Mumbai, formerly known as Bombay, is the capital of the Indian state of Maharashtra. It is the most populous city in India, and the fifth most populous city in the world, with a population of approximately 12.5 million. Along with the neighbouring urban areas, including the cities of Navi Mumbai and Thane, it is one of the most populous urban regions in the world. Mumbai lies on the west coast of India and has a deep natural harbour. As of 2009, Mumbai was named an Alpha world city. Mumbai is also the richest city in India, and has the highest GDP of any city in South, West or Central Asia.The seven islands that came to constitute Mumbai were home to communities of fishing colonies. For centuries, the islands came under the control of successive indigenous empires before being ceded to the Portuguese and subsequently to the British East India Company. During the mid-18th century, Mumbai was reshaped by the British with large-scale civil engineering projects, and emerged as a significant trading town. Economic and educational development characterised the city during the 19th century. It became a strong base for the Indian independence movement during the early 20th century. When India became independent in 1947, the city was incorporated into Bombay State. In 1960, following the Samyukta Maharashtra movement, a new state of Maharashtra was created with Bombay as capital. It was renamed Mumbai in 1995.

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